Script fixes

adafruit-pitft.py

@@ -152,7 +152,7 @@ SYSTEMD = None
 pitft_config = None
 pitftrot = None
 auto_reboot = None
-force_kernel = "5.4"
+force_kernel = None
 force_kernel_release = "1.20201126-1"
 
 def warn_exit(message):

raspi-blinka.py

@@ -21,12 +21,10 @@ def default_python_version(numeric=True):
 
 def sys_update():
     print("Updating System Packages")
-    if not shell.run_command('sudo apt update', True):
-        shell.bail("Apt failed to update indexes!")
-    if not shell.run_command('sudo apt-get update', True):
+    if not shell.run_command("sudo apt-get update"):
         shell.bail("Apt failed to update indexes!")
     print("Upgrading packages...")
-    if not shell.run_command("sudo apt-get upgrade"):
+    if not shell.run_command("sudo apt-get -y upgrade"):
         shell.bail("Apt failed to install software!")
 
 def set_raspiconfig():

rpi_pin_kernel_firmware.py

@@ -0,0 +1,59 @@
+"""
+Adafruit Raspberry Pi Script to Pin a specific version of the rpi kernel and firmware
+(C) Adafruit Industries, Creative Commons 3.0 - Attribution Share Alike
+"""
+
+try:
+    from adafruit_shell import Shell
+except ImportError:
+    raise RuntimeError("The library 'adafruit_shell' was not found. To install, try typing: sudo pip3 install adafruit-python-shell")
+import os
+
+shell = Shell()
+shell.group = 'PINNING'
+
+def main():
+    shell.clear()
+    # Check Raspberry Pi and Bail
+    pi_model = shell.get_board_model()
+    print("{} detected.\n".format(pi_model))
+    if not shell.is_raspberry_pi():
+        shell.bail("Non-Raspberry Pi board detected. This must be run on a Raspberry Pi")
+    if shell.get_os() != "Raspbian":
+        print("OS Detected:" + shell.get_os())
+        shell.bail("Sorry. This script currently only runs on Raspberry Pi OS.")
+    if len(shell.args) == 1:
+        print("Usage: sudo python3 {} kernel-version\n".format(shell.script()))
+        print("e.g., {} 1.20201126-1".format(shell.script()))
+        shell.exit(1)
+    version = shell.args[1]
+    base = "http://archive.raspberrypi.org/debian/pool/main/r/raspberrypi-firmware/"
+    packagelist = [
+        "libraspberrypi0",
+        "libraspberrypi-bin",
+        "libraspberrypi-dev",
+        "libraspberrypi-doc",
+        "raspberrypi-bootloader",
+        "raspberrypi-kernel",
+        "raspberrypi-kernel-headers"
+    ]
+    new_packages = []
+    for package in packagelist:
+        filename = "{}_{}_armhf.deb".format(package, version)
+        new_packages.append(filename)
+        shell.run_command("wget --continue -O {} {}".format(filename, base + filename))
+
+    shell.run_command("dpkg -i " + " ".join(new_packages))
+
+    for package in packagelist:
+        write_text_file("/etc/apt/preferences.d/99-adafruit-pin-kernel",
+"""Package: {}
+Pin: version {}
+Pin-Priority:999
+
+""".format(package, version))
+
+# Main function
+if __name__ == "__main__":
+    shell.require_root()
+    main()